Finding the Fourth Proportional to 4,288,391.91, 5,918,173.88 and 2,569,475.52
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Solution
The fourth proportional to 4,288,391.91, 5,918,173.88 and 2,569,475.52 is: 3,545,991.88
Step by Step Solution
- Step 1: Write the proportion equation
4,288,391.91 : 5,918,173.88 = 2,569,475.52 : x - Step 2: Convert to fraction form
4,288,391.91/5,918,173.88 = 2,569,475.52/x - Step 3: Cross multiply
4,288,391.91x = 5,918,173.88 × 2,569,475.52 - Step 4: Simplify right side
4,288,391.91x = 15,206,602,894,916.04 - Step 5: Solve for x
x = 15,206,602,894,916.04/4,288,391.91 - Step 6: Final answer
x = 3,545,991.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.